enigma-sim - npm Package Compare versions

Comparing version 0.1.0 to 0.2.0

Enigma.js

@@ -102,3 +102,4 @@ const _ = require('underscore');
         // For M4, we need the tiny reflector wheels (b/c)
-        const subType = this.options.type === 3 ? this.options.reflectorType : this.options.reflectorType.toLowerCase();
+        this.type = this.options.type;
+        const subType = this.type === 3 ? this.options.reflectorType : this.options.reflectorType.toLowerCase();
         const reflectorType = `UKW-${subType}`;
@@ -201,9 +202,31 @@
      * Encode an entire message character by character
+     * @param rotors [optional]
      * @param msg
      */
-    onMessage(msg) {
+    onMessage(rotors, msg) {
+        if (!msg) {
+            msg = rotors;
+            rotors = null;
+        }
         if (!msg || msg.length < 1) {
-            throw new EnigmaError('Invalid use of onMessage()');
+            throw new EnigmaError('Empty message passed to onMessage()');
         }
 
+        if (rotors) {
+            if (rotors.length !== this.rotors.length) {
+                throw new EnigmaError('Wrong number of rotors passed to onMessage()');
+            }
+
+            if (!/^[A-Z]{3,4}$/.exec(rotors)) {
+                throw new EnigmaError('Invalid rotors settings passed to onMessage()')
+            }
+
+            // Setup the rotor offsets
+            rotors.split('').reverse().forEach((r, i) => this.rotors[i].setOffset(r));
+        }
+
+        // Be forgiving: turn everything into uppercase, replace ' ' with X,
+        // remove everything that is not a character A-Z.
+        msg = msg.toUpperCase().replace(/\s/g, 'X').replace(/[^A-Z]/g, '');
+
         // Simulate key presses for all characters in the message
@@ -210,0 +233,0 @@ return msg.split('').map(x => this.onKey(x)).join('');

package.json

 {
   "name": "enigma-sim",
-  "version": "0.1.0",
+  "version": "0.2.0",
   "description": "Simple Enigma M3/M4 simulator.",
@@ -9,2 +9,6 @@ "main": "Enigma.js",
   },
+"repository": {
+    "type": "git",
+    "url": "git+https://github.com/Sandyman/enigma.git"
+  },
   "author": "Sander Huijsen <[e-mail]>",
@@ -11,0 +15,0 @@ "license": "ISC",

README.md

@@ -5,3 +5,3 @@ # Enigma simulator
 
-I have focussed on functionality, so this simulator behaves as a proper Enigma M3/M4. This includes the "double stepping", which was probably unintended in the original device.
+I have focused on functionality, so this simulator behaves as a proper Enigma M3/M4. This includes the "double stepping", which was probably unintended in the original device.
 
@@ -8,0 +8,0 @@ ### Example

Rotor.js

@@ -120,4 +120,15 @@ const autoBind = require('auto-bind');
     }
+
+    /**
+     * Set offset for this rotor
+     * @param offset
+     */
+    setOffset(offset) {
+        this.rotorOffset = _idx(offset);
+        if (this.rotorOffset < 0) {
+            this.rotorOffset = 0;
+        }
+    }
 }
 
 module.exports = Rotor;

test.txt

@@ -28,1 +28,4 @@ WETTERVORHERSAGE                      a
     "QB"
+
+
+SFBWDNJUSEGQOBHKRTAREEZMWKPPRBXOHDROEQGBBGTQVPGVKBVVGBIMHUSZYDAJQIROAXSSSNREHYGGRPISEZBOVMQIEMMZCYSGQDGRERVBILEKXYQIRGIRQNRDNVRXCYYTNJR

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Improved metrics

Total package byte prevSize

21571

increased by23.77%

Number of package files

10

increased by11.11%

Lines of code

450

increased by6.89%

Number of low supply chain risk alerts

0

decreased by-100%

No dependency changes